bugtraq - Re: Apache Multiple Injection Vulnerabilities

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Date: Thu, 15 Feb 2007 20:46:35 +0100
From: Hugo Vázquez Caramés <hugo@...ohacking.com>
To: Amit Klein <aksecurity@...il.com>
Cc: bugtraq@...urityfocus.com
Subject: Re: Apache Multiple Injection Vulnerabilities

Yes, that's true, control characters are not in violation of the stated 
charset "iso-8859-1". Thank you for notice me this. Unfortunately I mispelled 
"iso-8859-1" as "iso 8859-1" wich is not the same. I'm sorry for this. I'll 
correct this right now.

Sincerely,

> Just a quick note: what you demonstrated is that "control characters"
> are returned in a response whose charset is "iso-8859-1". But your text
> later states that "ISO 8859-1 encodes ...". Notice the difference:
> "iso-8859-1" vs. "iso 8859-1" - hyphen vs. space. These are different
> character sets - iso-8859-1 is a superset of iso 8859-1, adding all
> those control characters and whatnot. From RFC-1345:
>
> &charset ISO_8859-1:1987
>   &rem source: ECMA registry
>   &alias iso-ir-100
>   &g1esc x2d41 &g2esc x2e41 &g3esc x2f41
>   &alias ISO_8859-1
>   &alias ISO-8859-1
>   &alias latin1
>   &alias l1
>   &alias IBM819
>   &alias CP819
>   &code 0
>   NU SH SX EX ET EQ AK BL BS HT LF VT FF CR SO SI
>   DL D1 D2 D3 D4 NK SY EB CN EM SB EC FS GS RS US
>   SP ! " Nb DO % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ?control 
characters are not in violation of the stated charset
>   At A B C D E F G H I J K L M N O P Q R S T U V W X Y Z <( // )> '> _
>   '! a b c d e f g h i j k l m n o p q r s t u v w x y z (! !! !) '? DT
>   PA HO BH NH IN NL SA ES HS HJ VS PD PU RI S2 S3
>   DC P1 P2 TS CC MW SG EG SS GC SC CI ST OC PM AC
>   NS !I Ct Pd Cu Ye BB SE ': Co -a << NO -- Rg '-
>   DG +- 2S 3S '' My PI .M ', 1S -o >> 14 12 34 ?I
>   A! A' A> A? A: AA AE C, E! E' E> E: I! I' I> I:
>   D- N? O! O' O> O? O: *X O/ U! U' U> U: Y' TH ss
>   a! a' a> a? a: aa ae c, e! e' e> e: i! i' i> i:
>   d- n? o! o' o> o? o: -: o/ u! u' u> u: y' th y:
>
> So those control characters are not in violation of the stated charset.
>
> Thanks,
> -Amit

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